Lectrosonics LCA16 User Manual download pdf (Page 16)

APPENDIX 1 - POWER LOSS vs CABLE RUN

The table below indicates power loss vs cable run for various wire gauges. Nominal output power for the LCA16 is 5

watts at 4 ohms and 3 watts at 8 ohms.

22 AWG Wire, 4 ohm load

Distance Total Power Available Load Power Wire Loss

25ft. 4.8W 4.5W .3W

50ft. 4.5W 4.0W .5W

100ft. 4.0W 3.2W .8W

250ft. 3.1W 1.9W 1.2W

18 AWG Wire, 4 ohm load

Distance Total Power Available Load Power Wire Loss

25ft. 4.9W 4.7W .2W

50ft. 4.7W 4.3W .4W

100ft. 4.4W 3.7W .7W

250ft. 3.6W 2.6W 1.0W

16 AWG Wire, 4 ohm load

Distance Total Power Available Load Power Wire Loss

25ft. 4.9W 4.8W .1W

50ft. 4.8W 4.6W .2W

100ft. 4.6W 4.2W .4W

250ft. 4.0W 3.2W .8W

22 AWG Wire, 8 ohm load

Distance Total Power Available Load Power Wire Loss

25ft. 2.9W 2.7W .2W

50ft. 2.7W 2.5W .2W

100ft. 2.5W 2.1W .4W

250ft. 2.0W 1.3W .7W

20 AWG Wire, 8 ohm load

Distance Total Power Available Load Power Wire Loss

25ft. 2.9W 2.8W .1W

50ft. 2.8W 2.6W .2W

100ft. 2.7W 2.4W .2W

250ft. 2.3W 1.7W .6W

18 AWG Wire, 8 ohm load

Distance Total Power Available Load Power Wire Loss

25ft. 3.0W 2.9W .1W

50ft. 2.9W 2.8W .1W

100ft. 2.8W 2.6W .2W

250ft. 2.5W 2.1W .4W

16 AWG Wire, 8 ohm load

Distance Total Power Available Load Power Wire Loss

25ft. 3.0W 2.9W .1W

50ft. 2.9W 2.8W .1W

100ft. 2.9W 2.7W .2W

250ft. 2.7W 2.4W .3W

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